In part one of this three-part series on the Pike River mine disaster, you heard what took place in the minutes, hours and days following the methane explosion at the mine.

In this episode, we’ll step back and look at the history of the mine. You’ll hear how the factors that led to the explosion didn't suddenly present themselves on 19 November 2010. Instead, they had been building up over the months and years earlier.

Resources and links:

• Royal Commission on the Pike River Coal Mine Tragedy